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This refers to the South Atlantic Ocean off the coast of Southern Africa.
Likely referring to the interior of the African continent or the southern reaches of the Sahara.
Followers of Islam use this region for their seasonal stations.
Major Geographical Labels:
This map illustrates the "Lesser Western Ocean" (Indian Ocean) and the East African coast. It reflects the era's emerging global awareness, blending traditional Chinese woodblock printing with European cartographic data introduced by Jesuit missionaries like Matteo Ricci. The presence of longitude and latitude lines (marked in tens) demonstrates the adoption of spherical geographic coordinates.